A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6150-01-058-1014
NSN 5965-01-320-1808
NSN 6610-01-456-8653
NSN 6150-01-435-5176
NSN 5925-00-636-5683
NSN 6610-00-419-3154
NSN 5835-00-257-2852
NSN 6610-00-125-9872
NSN 6130-01-621-0294
NSN 6685-01-235-3996
NSN 4140-01-419-8592
NSN 4140-01-471-7193